2a+3+3a+7=30

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Solution for 2a+3+3a+7=30 equation:


Simplifying
2a + 3 + 3a + 7 = 30

Reorder the terms:
3 + 7 + 2a + 3a = 30

Combine like terms: 3 + 7 = 10
10 + 2a + 3a = 30

Combine like terms: 2a + 3a = 5a
10 + 5a = 30

Solving
10 + 5a = 30

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-10' to each side of the equation.
10 + -10 + 5a = 30 + -10

Combine like terms: 10 + -10 = 0
0 + 5a = 30 + -10
5a = 30 + -10

Combine like terms: 30 + -10 = 20
5a = 20

Divide each side by '5'.
a = 4

Simplifying
a = 4

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